| Country | Action | Action Date | Effective Date |
|---|
| Antigua | Extension | 12/05/1976 | 12/08/1976 |
| BELIZE | Extension | 12/05/1976 | 12/08/1976 |
| Bermuda | Extension | 12/05/1976 | 12/08/1976 |
| British Antarctic Territory | Extension | 12/05/1976 | 12/08/1976 |
| British Indian Ocean Territory | Extension | 12/05/1976 | 12/08/1976 |
| British Virgin Islands | Extension | 12/05/1976 | 12/08/1976 |
| Cayman Islands | Extension | 12/05/1976 | 12/08/1976 |
| DOMINICA, COMMONWEALTH OF | Extension | 12/05/1976 | 12/08/1976 |
| Falkland Islands | Extension | 12/05/1976 | 12/08/1976 |
| FINLAND | | | |
| Gibraltar | Extension | 12/05/1976 | 12/08/1976 |
| Gilbert Islands | Extension | 12/05/1976 | 12/08/1976 |
| Hong Kong | Extension | 12/05/1976 | 12/08/1976 |
| Montserrat | Extension | 12/05/1976 | 12/08/1976 |
| Pitcairn Islands | Extension | 12/05/1976 | 12/08/1976 |
| Sovereign Base Areas | Extension | 12/05/1976 | 12/08/1976 |
| St Helena | Extension | 12/05/1976 | 12/08/1976 |
| St Kitts Nevis Anguilla | Extension | 12/05/1976 | 12/08/1976 |
| St Lucia | Extension | 12/05/1976 | 12/08/1976 |
| St Vincent | Extension | 12/05/1976 | 12/08/1976 |
| Turks And Caicos Islands | Extension | 12/05/1976 | 12/08/1976 |
| Tuvalu | Extension | 12/05/1976 | 12/08/1976 |
| UNITED KINGDOM | | | |